Body Fat Calculation

Body Fat Calculator (US Navy Method)

Calculate an estimate of body fat percentage. Choose units and enter your measurements.

Units: Metric (cm, kg) Imperial (ft/in, lb)

Gender

Male Female

Age (years)

Height (cm)

Height (ft / in)

Weight (kg)

Weight (lb)

Neck circumference Enter value according to selected units.

Waist circumference Measure at navel (men) or at smallest point (women) depending on preference.

Hip circumference (female only) Measure at the widest part of the hips.

Results

Body Fat Category (general):

• Essential fat: Men 2–5% | Women 10–13%
• Athletes: Men 6–13% | Women 14–20%
• Fitness: Men 14–17% | Women 21–24%
• Average: Men 18–24% | Women 25–31%
• Obese: Men 25%+ | Women 32%+

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